Pith Number

pith:OQ4HHCUZ

pith:2015:OQ4HHCUZNVVRNRV6432WYYYLHO

not attested not anchored not stored refs pending

Optimized Beam Sculpting with Generalized Fringe-Rate Filters

Aaron R. Parsons, Adrian Liu, Carina Cheng, Zaki S. Ali

arxiv:1503.05564 v2 · 2015-03-18 · astro-ph.IM · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQ4HHCUZNVVRNRV6432WYYYLHO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:18:54.392301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7438738a996d6b16c6bee6f56c630b3b975c7b18e14395d196a52951d185dca7

Aliases

arxiv: 1503.05564 · arxiv_version: 1503.05564v2 · doi: 10.48550/arxiv.1503.05564 · pith_short_12: OQ4HHCUZNVVR · pith_short_16: OQ4HHCUZNVVRNRV6 · pith_short_8: OQ4HHCUZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OQ4HHCUZNVVRNRV6432WYYYLHO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7438738a996d6b16c6bee6f56c630b3b975c7b18e14395d196a52951d185dca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b5aa6e5dfc292aeed2ae57c19130e6276ba9541fe4a7003d33cc87ec4b0b18",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-03-18T20:00:15Z",
    "title_canon_sha256": "5b21aa79430812bed6f66e34d17b560cd873815408c5dad08b0694311f07cadc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05564",
    "kind": "arxiv",
    "version": 2
  }
}